1-180 /ANTIARRHYTHMICS PDR FOR HERBAL MEDICINESBuckthorn
(Increased effect due to potassium
loss with chronic use of herb)
Cascara Sagrada
(Potentiates arrhythmias with
prolonged use of Cascara)
Licorice
(Licorice-induced hypokalemia
increases risk of arrhythmias)
Senna
(Senna-induced hypokalemia may
increase risk of arrythmia)
ANTICHOLINERGICS
Jimson Weed
(Co-administration of Jimson
Weed with other anticholinergic
drugs may increase the frequency
and/or severity of anticholinergic
side effects such as dry mouth,
constipation, drowsiness, and
others)ANTICOAGULANT DRUGS, UNSPECIFIED
Arnica
(Coumarin component in Arnica
may increase anticoagulant effect)
Astragalus
(Astragalus may potentiate
anticoagulant effects)
Horse Chestnut
(Horse Chestnut has a coumarin
componant and may interact with
warfarin, salicylates and other
drugs with anticoagulant
properties)ANTICONVULSANTS
Evening Primrose
(Evening Primrose oil may lower
seizure threshold and decrease
effectiveness of anticonvulsant
medications)
ANTIHISTAMINES
Henbane
(Increased anticholinergic action)ANTIHYPERTENSIVE AGENTS,
UNSPECIFIED
Yohimbe Bark
(May need to adjust
antihypertensive medications due
to hypertensive effect of
Yohimbe)
ANTIPLATELET DRUGS
White Willow
(Additive effect with salicylates)
ANTITHROMBOLYTIC DRUGS
Ginkgo
(Increases effect of
antithrombolytic drugs)
ARCTOSTAPHYLOS UVA-URSI
(See under Uva-Ursi)
ARNICA
Anticoagulant drugs, unspecified
(Coumarin component in Arnica
may increase anticoagulant effect)
Warfarin Sodium
(Additive anticoagulant effect)
ARNICA MONTANA
(See under Arnica)
ARTEMISIA ABSINTHIUM
(See under Wormwood)
ASPIRIN
Cayenne
(Decreased bioavailability of
aspirin)
Feverfew
(Increased antithrombotic effect)
ASTRAGALUS
Anticoagulant drugs, unspecified
(Astragalus may potentiate
anticoagulant effects)
Immunosuppressants
(Decreased effectiveness of
immunosuppressive effect due to
immunostimulant effect of
Astragalus)
ASTRAGALUS SPECIES
(See under Astragalus)
ATROPA BELLADONNA
(See under Belladonna)
BARBITURATES
Rauwolfia
(Synergistic effect)
White Willow
(Enhances toxicity of salicylates)
BELLADONNA
Amantadine Hydrochloride
(Increases anticholinergic effect of
herb)Quinidine
(Increases anticholinergic effect of
herb)
Tricyclic Antidepressants
(Increases anticholinergic effect of
herb)
BENZODIAZEPINES
German Chamomile
(May increase sedative effect)
BILBERRY
Salicylates
(Increases prothrombin time;
caution should be observed when
used concurrently)
Warfarin Sodium
(Increases prothrombin time;
caution should be observed when
used concurrently)
BLADDERWRACK
Hypoglycemic Drugs
(Herb may have an additive
hypoglycemic effect when taken
with other hypoglycemic drugs)
BREWER'S YEAST
MAO Inhibitors
(Increase in blood pressure)
BUCKTHORN
Antiarrhythmics
(Increased effect due to potassium
loss with chronic use of herb)
Cardiac Glycosides
(Increased effect due to potassium
loss with chronic use of herb)
Corticosteroids
(Increases hypokalemic effects)
Digoxin
(Herb may cause hypokalemia,
which may increase digoxin
toxicity)
Licorice Root
(Increases hypokalemic effects)
Thiazide Diuretics
(Increases hypokalemic effects)
BUGLEWEED
Diagnostic Procedures Using
Radioactive Isotopes
(Herb interferes with these
isotopes)
Thyroid Preparations
(Effect not specified)